docs: def get(self, *index):
          """
          Get the instance with the specified index.
  
          Returns:
              The corresponding instance.
          """
          assert self.wrapFunction is not None
          if len(index) == 1 and isinstance(index[0], (tuple, list)):
              index = index[0]
          if len(index) == 0:
              return self.wrapFunction(self._impl.get())
          else:
              return self.wrapFunction(self._impl.get(Tuple(index)._impl))